September weather forecast
Lauritsala, Finland

September

Weather in September

September, the first month of the autumn in Lauritsala, is still a mild month, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 8.5°C (47.3°F).

Temperature

During Lauritsala's transition into September, the average high-temperature lessens, moving from a pleasant 20.5°C (68.9°F) in August to a moderate 14.7°C (58.5°F). In the month of September, the average low-temperature usually rests at a frosty 8.5°C (47.3°F).

Humidity

The average relative humidity in September is 81%.

Rainfall

In Lauritsala, in September, it is raining for 16 days, with typically 43mm (1.69") of accumulated precipitation. In Lauritsala, Finland, during the entire year, the rain falls for 150.8 days and collects up to 525mm (20.67") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 54min.
On the first day of September, sunrise is at 06:00 and sunset at 20:13. On the last day of the month, sunrise is at 07:12 and sunset at 18:41 EEST.

Sunshine

The average sunshine in September is 6.6h.

UV index

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily UV index of 2 turns into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What is the usual temperature for Lauritsala in September?
The average high-temperature, in September, in Lauritsala, is 14.7°C (58.5°F), while the average low-temperature is 8.5°C (47.3°F).
What is the average humidity in September?
The average relative humidity in September is 81%.
How many days does it rain in September?
In Lauritsala, during September, the rain falls for 16 days and regularly aggregates up to 43mm (1.69") of precipitation.
When it does not snow?
In Lauritsala, Finland, snow does not fall in June through September.
Does it snow in September?
In Lauritsala, Finland, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Lauritsala have in September?
The average day length in September is 12h and 54min.
What time are sunrise and sunset in September?
On the first day of September in Lauritsala, Finland, sunrise is at 06:00 and sunset at 20:13. On the last day of the month, sunrise is at 07:12 and sunset at 18:41 EEST.
How many hours of sunshine does Lauritsala have in September?
In September, the average sunshine duration is 6.6h.
What is the UV index reading in September?
The average daily maximum UV index in September in Lauritsala is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Lauritsala, Finland
Average temperature in September
Lauritsala, Finland
  • Average high temperature in September: 14.7°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.7°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).

Average pressure in September - Lauritsala, Finland
Average pressure in September
Lauritsala, Finland
  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

Average wind speed in September - Lauritsala, Finland
Average wind speed in September
Lauritsala, Finland
  • Average wind speed in September: 11.4km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).

Average humidity in September - Lauritsala, Finland
Average humidity in September
Lauritsala, Finland
  • Average humidity in September: 81%

The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).

Average rainfall in September - Lauritsala, Finland
Average rainfall in September
Lauritsala, Finland
  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (32mm).

Average rainfall days in September - Lauritsala, Finland
Average rainfall days in September
Lauritsala, Finland
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in September - Lauritsala, Finland
Average snowfall in September
Lauritsala, Finland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Lauritsala, Finland
Average snowfall days in September
Lauritsala, Finland
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September / Average sunshine in September - Lauritsala, Finland
Average daylight in September /
Average sunshine in September
Lauritsala, Finland
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).

  • Average sunshine in September: 6h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).

Average sunshine days in September - Lauritsala, Finland
Average sunshine days in September
Lauritsala, Finland
  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (4.7 days).

Average UV index in September - Lauritsala, Finland
Average UV index in September
Lauritsala, Finland
  • Average UV index in September: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in September - Lauritsala, Finland
Average cloud cover in September
Lauritsala, Finland
  • Average cloud cover in September: 56

The month with the most cloud cover is February (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 42).

Average visibility in September - Lauritsala, Finland
Average visibility in September
Lauritsala, Finland
  • Average visibility in September: 8km

The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).

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